William James Bull (September 23, 1863 - Janaury 23, 1931) served as the first Member of Parliament for Hammersmith South, serving between 1918 and 1929, including the whole of 1921.
Henry Foreman (1852 - April 11, 1924) served as the first Member of Parliament for Hammersmith North, serving between 1918 and 1923, including the whole of 1921.
Thomas Blane (1881 - August 19, 1940) served as the first Member of Parliament for Leicester South, serving between 1918 and 1922, including the whole of 1921.
Patrick Bernard Malone (1857 - December 31, 1939) served as the first Member of Parliament for Tottenham South, serving between 1918 and 1923, including the whole of 1921.
Clement Edwards (June 7, 1869 - June 23, 1938) served as the first Member of Parliament for East Ham South, serving between 1918 and 1922, including the whole of 1921.
John Hopkins (1863 - February 16, 1946) served as the first Member of Parliament for St Pancras South East, serving between 1918 and 1923, including the whole of 1921.
Henry Cavendish-Bentinck (May 28, 1863 - October 6, 1931) succeeded Arthur Richardson as the fifth Member of Parliament for Nottingham South, serving between 1910 and 1929, including the whole of 1921.
Richard Barnett (December 6, 1863 - October 17, 1930) served as the first Member of Parliament for St Pancras South West, serving between 1918 and 1929, including the whole of 1921.
Alfred Deakin Carter, the first Member of Parliament for Manchester Withington, served between 1918 and 1922, including the whole of 1921.
Bouverie McDonald (1861 - July 8, 1931), the first Member of Parliament for Wallasey, served between 1918 and 1922, including the whole of 1921.
Charles Percy succeeded Herbert James Craig as the fourth Member of Parliament for Tynemouth, serving between 1918 and 1922, including the whole of 1921.
Wilfrid William Ashley (1867 - July 3, 1939), the first Member of Parliament for Fylde, served between 1918 and 1922, including the whole of 1921.
Walter Waring (1876 - November 16, 1930) became the first Member of Parliament for Blaydon, serving between 1918 and 1922, including the whole of 1921.